Description

1-Naphthalenesulfonic Acid, 4-Amino-3-((4-((4-((2,4-Dihydroxyphenyl)Az O)Benzoyl)Amino)Phenyl)Azo)-5-Hydroxy-6-((2-Methoxyphenyl)Azo)- is a complex, high-purity azo dye intermediate with a specific polycyclic structure. This compound is valued for its precise chromophoric properties, which are critical for synthesizing specialized dyes and pigments with targeted color characteristics and stability. It is primarily required by manufacturers in the fine chemicals, advanced dye, and specialty pigment industries for research and production of high-performance colorants.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of high-value, complex azo dyes, particularly for applications requiring specific shades and lightfastness.
• Specialty Textile Dyes: Used in the production of dyes for synthetic and natural fibers where advanced color properties are needed.
• Functional Dyes for Non-Textile Applications: Potential use in the manufacture of dyes for inks, coatings, and plastics that demand specialized performance.
• Research & Development: An essential compound for chemical R&D laboratories exploring new chromophores, dye chemistry, and material science applications.
• Analytical Chemistry Reagent: May be employed as a specialized reagent or standard in chromatographic and spectroscopic analysis.

Basic Information

Product Name	1-Naphthalenesulfonic Acid, 4-Amino-3-((4-((4-((2,4-Dihydroxyphenyl)Az O)Benzoyl)Amino)Phenyl)Azo)-5-Hydroxy-6-((2-Methoxyphenyl)Azo)-
CAS No.	116978-88-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4-Amino-3-((4-((4-((2,4-dihydroxyphenyl)azo)benzamido)phenyl)azo)-5-hydroxy-6-((2-methoxyphenyl)azo)-1-naphthalenesulfonic acid; C.I. 27290; Acid Black 210; Azo dye intermediate 116978-88-2; 1-Naphthalenesulfonic acid, 4-amino-3,5-dihydroxy-6-[(2-methoxyphenyl)azo]-4'-[(4-[(2,4-dihydroxyphenyl)azo][1,1'-biphenyl]-4-yl)azo]-; Polyazo dye intermediate; Black 210 dye intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure consistency and meet precise customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay purity, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition. Due to its complex azo structure, prolonged exposure to elevated temperatures or intense light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (or as per customer grade)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Reported on COA

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.